Home / 1,411,086.87-1,947,583.31-838,016.33

Finding the Fourth Proportional to 1,411,086.87, 1,947,583.31 and 838,016.33

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Solution

The fourth proportional to 1,411,086.87, 1,947,583.31 and 838,016.33 is: 1,156,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,086.87 : 1,947,583.31 = 838,016.33 : x
  2. Step 2: Convert to fraction form
    1,411,086.87/1,947,583.31 = 838,016.33/x
  3. Step 3: Cross multiply
    1,411,086.87x = 1,947,583.31 × 838,016.33
  4. Step 4: Simplify right side
    1,411,086.87x = 1,632,106,610,172.58
  5. Step 5: Solve for x
    x = 1,632,106,610,172.58/1,411,086.87
  6. Step 6: Final answer
    x = 1,156,630.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.